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Interesting Ray,
You are lucky that you have all of these test kits available. I think that using strictly RO water is a bad idea, we do not use fertilizers that are advanced enough to provide everything. EI and PPS count on the tap water providing a lot of nutrients. From this information i think we can start recommending you use RO to drop your KH to where you want, but not to use 100%.
You are lucky that you have all of these test kits available. I think that using strictly RO water is a bad idea, we do not use fertilizers that are advanced enough to provide everything. EI and PPS count on the tap water providing a lot of nutrients. From this information i think we can start recommending you use RO to drop your KH to where you want, but not to use 100%.
